Which of the following processes is correctly described during decomposition?

  • A
    Leaching - Water-soluble inorganic nutrients rise to the top layers of the soil.
  • B
    Fragmentation - Carried out by organisms such as earthworms.
  • C
    Humification - Leads to the accumulation of a dark-colored substance that undergoes microbial action at a very fast rate.
  • D
    Catabolism - The final stage of decomposition which occurs completely under anaerobic conditions.

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The products of the decomposition process are:

The process by which earthworms break down detritus into smaller particles is called ......

If all decomposers are removed from an ecosystem,what will happen?

Identify the factors that decrease the rate of decomposition.

Identify the processes $P, Q,$ and $R$ in the following descriptions:
$I -$ The process of breaking down detritus into smaller particles $- P$
$II -$ Bacterial and fungal enzymes degrade detritus into simpler inorganic substances $- Q$
$III -$ Water-soluble inorganic nutrients go down into the soil horizon and get precipitated as unavailable salts $- R$
Select the correct option for $P, Q,$ and $R$.

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